Inventor · disambiguated record
Kazunari Hamasaki
Also filed as: HAMASAKI KAZUNARI
25 granted patents·9 pending applications·91 citations·filing 1998–2024
94Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC14KYOCERA MITA CORP12MITA INDUSTRIAL CO LTD4HAMASAKI KAZUNARI2KUBOSHIMA DAISUKE1
Top patents by PatentIndex Score
34 records- 0183US6391505B1Phthalocyanine crystal and its production, and electrophotosensitive material using the sameKYOCERA MITA CORP·Filed 2000·Granted May 21, 2002·24 cites·24 claims
- 0282US6528645B1Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material and production method of the sameKYOCERA MITA CORP·Filed 2000·Granted Mar 4, 2003·15 cites·14 claims
- 0371US9285692B2Positively-charged single-layer electrophotographic photoreceptor and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Mar 15, 2016·1 cites·8 claims
- 0471US7838191B2Electrophotographic photoconductor having titanyl phthalocyanine and image forming apparatusKYOCERA MITA CORP·Filed 2007·Granted Nov 23, 2010·4 cites·5 claims
- 0571US7700251B2Electrophotographic photoconductor and image-forming apparatusKYOCERA MITA CORP·Filed 2006·Granted Apr 20, 2010·4 cites·6 claims
- 0671US7416825B2Single layer type electrophotographic photoconductor and image forming deviceKYOCERA MITA CORP·Filed 2006·Granted Aug 26, 2008·3 cites·8 claims
- 0766US12468255B2Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted Nov 11, 2025·0 cites·13 claims
- 0866US9217981B2Positively-charged single-layer electrophotographic photoreceptor and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Dec 22, 2015·1 cites·6 claims
- 0966US7057034B2Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive materialKYOCERA MITA CORP·Filed 2003·Granted Jun 6, 2006·5 cites·13 claims
- 1057US11003101B2Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted May 11, 2021·0 cites·13 claims
- 1157US9298112B2Method of manufacturing positively-charged single-layer electrophotographic photoreceptor, positively-charged single-layer electrophotographic photoreceptor, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Mar 29, 2016·0 cites·13 claims
- 1256US6090514AElectrophotographic photoreceptorMITA INDUSTRIAL CO LTD·Filed 1998·Granted Jul 18, 2000·12 cites·3 claims
- 1354US8679710B2Electrophotographic photoreceptor and image forming apparatusKUBOSHIMA DAISUKE·Filed 2005·Granted Mar 25, 2014·1 cites·1 claims
- 1454US5976742ANaphthoquinone derivative and electrophotographic material using the naphthoquinone derivativeMITA INDUSTRIAL CO LTD·Filed 1998·Granted Nov 2, 1999·11 cites·3 claims
- 1552US10802411B2Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Oct 13, 2020·0 cites·11 claims
- 1652US2024353772A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 1752US2024353771A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 1851US7754402B2Electrophotographic photoconductive member and image forming apparatusKYOCERA MITA CORP·Filed 2007·Granted Jul 13, 2010·1 cites·10 claims
- 1950US2015160571A1Method of manufacturing positively-charged single-layer electrophotographic photoreceptor, positively-charged single-layer electrophotographic photoreceptor, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Application pending·0 cites
- 2048US2008286673A1Single layer type electrophotographic photoconductor and image forming deviceKYOCERA MITA CORP·Filed 2008·Application pending·0 cites
- 2146US6063534ANitro group-containing naphthoquinone derivatives and photosensitive material using the same for electrophotographyMITA INDUSTRIAL CO LTD·Filed 1999·Granted May 16, 2000·7 cites·10 claims
- 2245US10635008B2Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Apr 28, 2020·0 cites·19 claims
- 2344US10539889B2Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Jan 21, 2020·0 cites·11 claims
- 2444US7844201B2Color image forming apparatus and color image forming methodKYOCERA MITA CORP·Filed 2008·Granted Nov 30, 2010·0 cites·5 claims
- 2544US2023097281A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Application pending·0 cites
- 2644US2022100111A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Application pending·0 cites
- 2743US2022100110A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Application pending·0 cites
- 2839US7101647B2Electrophotosensitive materialKYOCERA MITA CORP·Filed 2003·Granted Sep 5, 2006·1 cites·5 claims
- 2937US2008187368A1Drum unit and image forming apparatus equipped therewithKYOCERA MITA CORP·Filed 2008·Application pending·0 cites
- 3035US6376142B2Electrophotosensitive material containing specific maleimide derivativeKYOCERA MITA CORP·Filed 2001·Granted Apr 23, 2002·0 cites·4 claims
- 3135US2007077507A1Electrophotographic photoconductor and manufacturing method of electrophotographic photoconductorOTSUBO JUNICHIRO·Filed 2006·Application pending·0 cites
- 3234US8642236B2Electro photographic photoconductor and color image forming apparatusHAMASAKI KAZUNARI·Filed 2008·Granted Feb 4, 2014·0 cites·10 claims
- 3331US9141007B2Monolayer type photoconductor and image forming deviceHAMASAKI KAZUNARI·Filed 2008·Granted Sep 22, 2015·0 cites·8 claims
- 3431US6022658ANitro group-containing naphthoquinone derivatives and photosensitive material using the same for electrophotographyMITA INDUSTRIAL CO LTD·Filed 1999·Granted Feb 8, 2000·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →